COATED PARTICLES OF CALCIUM CARBONATE HAVING A HIGH SPECIFIC SURFACE

摘要

The present invention relates to particles of an alkaline earth metal carbonate which are at least partially coated with at least one coating agent and which have a specific surface of more than 50 m 2 g -1 before coating. Preferably, the alkaline earth metal is calcium and the coating agent comprises a compound selected from the group consisting of organic sulfonic acids, alkylsulfates, fatty acids and the salts thereof.